code: def __init__(
      self,
      dim,
      index_file="embeddings_index",
      lowercase=False,
      clear_if_exists=False,
  ):
      full_index_file = EmbeddingsDbResolver.get_index_name(
          index_file, dim
      )
  
      if clear_if_exists and os.path.exists(full_index_file):
          shutil.rmtree(db_index)
  
      dummy_added = False
      self.db = plyvel.DB(full_index_file, create_if_missing=True)
      self.add_vector("__oov__", [0.0] * dim)
      self.lowercase = lowercase
  
imports: import shutil
  import numpy
  import plyvel
  import os.path
  import sys
  from bert.modeling import *
  from bert.tokenization import *
  import json
  import os.path
  import numpy
label_desc: Use image node_id 4 to create a new EmbeddingsDbResolver object  with example: obj = EmbeddingsDbResolver(dim, index_file, lowercase, clear_if_exists)